.page-news {
  --news-rail: 288px;
  --news-gap: clamp(20px, 3.4vw, 44px);
  --news-accent: var(--indigo);
  display: block;
}

.page-news .news-head {
  position: relative;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(20px, 3vw, 34px);
  margin-bottom: clamp(30px, 5vw, 62px);
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-head .page-head__lead {
  max-width: 62ch;
  color: var(--ink);
}

.page-news .news-head__strip {
  display: flex;
  gap: 5px;
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-news .news-head__chip {
  display: block;
  width: 44px;
  height: 5px;
  border-radius: 1px;
}

.page-news .news-head__chip--saffron { background: var(--saffron); }
.page-news .news-head__chip--turquoise { background: var(--turquoise); }
.page-news .news-head__chip--amber { background: var(--amber); }
.page-news .news-head__chip--indigo { background: var(--indigo); }
.page-news .news-head__chip--link { background: var(--link); }

.page-news .news-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
  align-items: start;
}

.page-news .news-main {
  min-width: 0;
}

.page-news .news-section + .news-section {
  margin-top: clamp(52px, 8vw, 108px);
  padding-top: clamp(40px, 6vw, 76px);
  border-top: 1px solid var(--line);
}

.page-news .news-section__head {
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-news .news-section__head .index-badge {
  display: inline-block;
  margin-bottom: 12px;
}

.page-news .news-section__note {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--grey);
  max-width: 60ch;
}

.page-news .news-section__cta {
  margin: 22px 0 0;
}

/* 标签条 */
.page-news .news-tagbar {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: clamp(20px, 3vw, 30px);
  scrollbar-width: thin;
}

.page-news .news-tagbar > * {
  flex: 0 0 auto;
}

.page-news .news-tagbar .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  background: var(--white);
}

.page-news .news-tagbar .tag b {
  font-weight: 500;
  font-size: 12px;
  color: var(--grey);
}

/* 条目卡片 */
.page-news .news-entry {
  position: relative;
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 240ms var(--ease-panel), box-shadow 240ms var(--ease-panel);
}

.page-news .news-entry + .news-entry {
  margin-top: 16px;
}

.page-news .news-entry:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-stack);
}

.page-news .news-entry__stripe {
  display: block;
  background: var(--news-accent, var(--indigo));
}

.page-news .news-entry--saffron { --news-accent: var(--saffron); }
.page-news .news-entry--turquoise { --news-accent: var(--turquoise); }
.page-news .news-entry--amber { --news-accent: var(--amber); }

.page-news .news-entry__body {
  padding: clamp(18px, 2.4vw, 26px);
  min-width: 0;
}

.page-news .news-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grey);
}

.page-news .news-entry__time {
  letter-spacing: 0.08em;
  font-size: 12px;
}

.page-news .news-entry__ver {
  display: inline-block;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  background: var(--indigo);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-news .news-entry__title {
  margin: 12px 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .news-entry__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
  max-width: 68ch;
}

.page-news .news-entry__foot {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--grey);
}

/* 图片占位 */
.page-news .news-figure {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
}

.page-news .media-frame img {
  display: block;
  max-width: 100%;
}

/* 时间轴 */
.page-news .news-timeline {
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-news .news-timeline__track {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-news .news-node {
  position: relative;
  flex: 1 0 208px;
  min-width: 0;
  padding: 26px 18px 22px;
  border-left: 1px solid var(--line);
}

.page-news .news-node:last-child {
  border-right: 1px solid var(--line);
}

.page-news .news-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: -4px;
  width: 9px;
  height: 9px;
  background: var(--white);
  border: 2px solid var(--indigo);
  border-radius: 50%;
}

.page-news .news-node__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--saffron);
}

.page-news .news-node__stage {
  margin: 6px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--grey);
}

.page-news .news-node__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .news-node__desc {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--grey);
}

/* 专题合辑 */
.page-news .news-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .news-topic {
  position: relative;
  padding: 26px 22px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-news .news-topic__bar {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
}

.page-news .news-topic__bar--saffron { background: var(--saffron); }
.page-news .news-topic__bar--turquoise { background: var(--turquoise); }
.page-news .news-topic__bar--amber { background: var(--amber); }

.page-news .news-topic__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey);
}

.page-news .news-topic__title {
  margin: 10px 0 10px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--ink);
}

.page-news .news-topic__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-news .news-topic__path {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--grey);
}

/* 条目字段 */
.page-news .news-fields {
  border-top: 1px solid var(--line-strong);
}

.page-news .news-field {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-field__name {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--indigo);
}

.page-news .news-field__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-news .news-readpath {
  margin-top: clamp(22px, 3vw, 34px);
  padding: 22px 20px;
  background: var(--mist);
  border-left: 3px solid var(--indigo);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-news .news-readpath__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grey);
}

.page-news .news-readpath__steps {
  margin: 0;
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-news .news-readpath__steps li + li {
  margin-top: 6px;
}

/* 订阅范围 */
.page-news .news-scopes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-news .news-scope {
  padding: 22px 20px 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--amber);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: var(--shadow);
}

.page-news .news-scope__name {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
}

.page-news .news-scope__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--grey);
}

.page-news .news-scope__foot {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--grey);
  max-width: 62ch;
}

/* 归档入口 */
.page-news .news-archive {
  border-top: 1px solid var(--line-strong);
}

.page-news .news-archive__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-archive__key {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--indigo);
}

.page-news .news-archive__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-news .news-exits {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .news-exit {
  display: block;
  padding: 16px 18px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 200ms var(--ease-panel), background-color 200ms var(--ease-panel);
}

.page-news .news-exit:hover,
.page-news .news-exit:focus-visible {
  border-color: var(--indigo);
  background: var(--mist);
}

.page-news .news-exit__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--saffron);
  margin-bottom: 6px;
}

.page-news .news-exit__text {
  display: block;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .news-exit:hover .news-exit__text {
  color: var(--indigo);
}

/* 侧栏 */
.page-news .news-rail {
  display: grid;
  gap: 18px;
  min-width: 0;
}

.page-news .news-rail-panel {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.page-news .news-rail-panel--mist {
  background: var(--mist);
  border-color: var(--line-strong);
  box-shadow: none;
}

.page-news .news-rail-title {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--grey);
}

.page-news .news-rail-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .news-rail-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-rail-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .news-rail-steps .mono {
  font-size: 12px;
  color: var(--saffron);
  letter-spacing: 0.06em;
}

.page-news .news-rail-topics {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rail-topics li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
}

.page-news .news-rail-topics li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .news-rail-topics a {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--link);
  text-decoration: none;
}

.page-news .news-rail-topics a:hover,
.page-news .news-rail-topics a:focus-visible {
  color: var(--indigo);
  text-decoration: underline;
}

.page-news .news-rail-topics .mono {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--grey);
}

.page-news .news-rail-note {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

/* 断点：中屏 */
@media (min-width: 720px) {
  .page-news .news-field {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 0;
  }

  .page-news .news-archive__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 0;
  }

  .page-news .news-topics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-scopes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-exits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* 断点：桌面 */
@media (min-width: 1024px) {
  .page-news .news-grid {
    grid-template-columns: minmax(0, 1fr) var(--news-rail);
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
  }

  .page-news .news-node {
    flex: 1 1 0;
  }
}

@media (min-width: 1200px) {
  .page-news .news-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 动效降级 */
@media (prefers-reduced-motion: reduce) {
  .page-news .news-entry,
  .page-news .news-exit {
    transition: none;
  }

  .page-news .news-entry:hover {
    transform: none;
  }
}